/Engine/Source/Editor/SequencerCore/Public/MVVM/Extensions/IStretchableExtension.h
virtual void OnEndStretch ( const [IStretchOperation](API\Editor\SequencerCore\MVVM\Extensions\IStretchOperation) & StretchOperation, const [FStretchScreenParameters](API\Editor\SequencerCore\MVVM\Extensions\FStretchScreenParameters) & ScreenParametersm, [FStretchParameters](API\Editor\SequencerCore\MVVM\Extensions\FStretchParameters) * InOutParameters )